Factorise the expressions.5y2 - 20y - 8z + 2yz from Mathematics

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Advertisement

Factorisation

Short Answer Type

51.

Factorise:

25a²- 4b² + 28bc - 49c²

1840 Views

52.

Factorise the expressions.
ax² + bx

125 Views

53.

Factorise the expressions.

7p² + 21q²

158 Views

54.

Factorise the expressions.

2x³ + 2xy² + 2xz²

108 Views

Advertisement

55.

Factorise the expressions.

am² + bm² + bn² + an²

213 Views

56.

Factorise the expressions.

(lm + l) + m + 1

124 Views

57.

Factorise the expressions.

y(y + z) + 9(y + z)

161 Views

Advertisement

58.
Factorise the expressions.

5y² - 20y - 8z + 2yz

We have              5y² - 20y = 5y(y - 4)

and                   -8z + 2yz = 2z(-4 + y)

                                     = 2z(y - 4)

∴ 5y² - 20y - 8z + 2yz = 5y(y - 4) + 2z(y - 4)

= (y - 4)[5y + 2z]

278 Views

Advertisement

Advertisement

59.

Factorise the expressions.

10ab + 4a + 5b + 2

119 Views

60.

Factorise the expressions.

6xy - 4y + 6 - 9x

363 Views

5
6
7

Advertisement